From patchwork Wed Aug 2 10:21:59 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Gleixner X-Patchwork-Id: 129814 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:9f41:0:b0:3e4:2afc:c1 with SMTP id v1csp415165vqx; Wed, 2 Aug 2023 05:22:21 -0700 (PDT) X-Google-Smtp-Source: APBJJlGSRfxJhokitJ6gnIhk0+QiECkTN71gQ6qjUvzc3ABjX229WrLN0c8wyWvDXzQ+dl4KhddE X-Received: by 2002:a05:6402:b11:b0:522:5778:aed9 with SMTP id bm17-20020a0564020b1100b005225778aed9mr5527801edb.19.1690978940907; Wed, 02 Aug 2023 05:22:20 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1690978940; cv=none; d=google.com; s=arc-20160816; b=TRLq25pehu4qMQkFHulbzPfNuEhX7gx6WlHKbuSWmq5JAhVqx/Hxry1l0EjDCAzAXo Er/aBH3QGwOU6rwpBT6TbDBUiMo0KQBCSmSsg5tU/IfVaEmKIdiv/eyrrZVvtjpyGH3B SeN575mf7fAlV+FcBtZwpvUHlTH+9NE506pq777h7rJCopwDGL7tcxDtKOCnGYpUFGMv fdVCPKgbFhj23o3yPhkUMt5tum8Snpclz3Ymz5KYp9mD/U8hGu6nF+MQUVwYosCudE3Y WwmQzRNRjvlnZoMiFSPlD/rd9pzlwpRjKH5sNaFaP1h5eaCcbB1cD5aUsZ88lwWYvJjO qCSA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:date:mime-version:references:subject:cc:to:from :dkim-signature:dkim-signature:message-id; bh=dCJ675XRBN0nH/FVG6be5pN6/XKm3FLkxuXqtWJHHNE=; fh=O9JPtEgoXN20WvvffwC9vht4C9mlV4cjm0SKbEbqoG0=; b=J5t9S/Nxj7jj5GkVmnROeuwpy6O+Pb2sxn8axqthauwz0boDuynh9bF1vk4Gl0PEWJ XmFBx1Uz8hI92HcwDg1QfV6QRFBsYzy7Kn0Pb4TtKxtLpaUMm+YfyxaCAMngXffCYMEf Xu1pVKiDKPK2nfFNiCT38+AKkrtSYz5jWNnOPSON4E7GbaMY+00tr1TVwBX98rmbyYUr RL9zNLDszg499TlXob19aQk0Waf979hCrObo4+Wt+HdK7WdrwvGTpsf6rvdpzYhw84xh 2lwp/pAJvFNATNBH0+xhw8SNvk15Y/ldkXLiEA1Q5KANW6UjOy7dTdcvXH0W8A/7vVNE bd+w== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linutronix.de header.s=2020 header.b=x0T7RwHm; dkim=neutral (no key) header.i=@linutronix.de header.b=ilXXJAbh; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=linutronix.de Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id e15-20020aa7d7cf000000b0051e0c5c1e93si9776929eds.538.2023.08.02.05.21.54; Wed, 02 Aug 2023 05:22:20 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@linutronix.de header.s=2020 header.b=x0T7RwHm; dkim=neutral (no key) header.i=@linutronix.de header.b=ilXXJAbh; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=linutronix.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232540AbjHBKZB (ORCPT + 99 others); Wed, 2 Aug 2023 06:25:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42094 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232356AbjHBKX6 (ORCPT ); Wed, 2 Aug 2023 06:23:58 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 37BD330D1 for ; Wed, 2 Aug 2023 03:22:19 -0700 (PDT) Message-ID: <20230802101934.924770305@linutronix.de> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1690971719; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: references:references; bh=dCJ675XRBN0nH/FVG6be5pN6/XKm3FLkxuXqtWJHHNE=; b=x0T7RwHmn15tm0Bs8ZjDPJLTBGPqVnxETx0F5yv7R4E0JgrRpz7+E7tzWITycUfEu+MWSS ZL8dIL6Kp7stAiWx1i+I3eTrH/ESvYQMaTWpYR+IAUGKTihGsHGAy2Aa0MNyMCajL6Xv2b SAAxQwmUe/r8wO6lD3xc4Vp3q6oenYOgqcJ8jh83r72qpURo7zJ3iufy8Q2m8A+ItxTgUK J0TFlm8yX1A2mH2fGxAu2t38niiSiNKtP0hAdYC/MirH1m4BMJCpE49MyYy+m6Eaw8VzFM dxhA5cf3IMLFteqfBQPtvtNNQey6DnjZl71NH+EBxNV73U0WuvhxJtyrenh82g== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1690971719; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: references:references; bh=dCJ675XRBN0nH/FVG6be5pN6/XKm3FLkxuXqtWJHHNE=; b=ilXXJAbhecQY8Sfrpo02SFMDLMnw8w5lXtXX/19KQ/bCI9mKKqTMlTZxS/4Qnf3umoQ1DB fHitGSthN95zfqCg== From: Thomas Gleixner To: LKML Cc: x86@kernel.org, Tom Lendacky , Andrew Cooper , Arjan van de Ven , Huang Rui , Juergen Gross , Dimitri Sivanich , Michael Kelley , Wei Liu Subject: [patch V3 39/40] x86/xen/smp_pv: Remove cpudata fiddling References: <20230802101635.459108805@linutronix.de> MIME-Version: 1.0 Date: Wed, 2 Aug 2023 12:21:59 +0200 (CEST) X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1773119933430231520 X-GMAIL-MSGID: 1773119933430231520 The new topology CPUID parser installs already fake topology for XEN/PV, which ends up with cpuinfo::max_cores = 1. Signed-off-by: Thomas Gleixner Cc: Juergen Gross --- V2: New patch --- arch/x86/xen/smp_pv.c | 3 --- 1 file changed, 3 deletions(-) --- a/arch/x86/xen/smp_pv.c +++ b/arch/x86/xen/smp_pv.c @@ -73,7 +73,6 @@ static void cpu_bringup(void) } cpu = smp_processor_id(); smp_store_cpu_info(cpu); - cpu_data(cpu).x86_max_cores = 1; set_cpu_sibling_map(cpu); speculative_store_bypass_ht_init(); @@ -223,8 +222,6 @@ static void __init xen_pv_smp_prepare_cp smp_prepare_cpus_common(); - cpu_data(0).x86_max_cores = 1; - speculative_store_bypass_ht_init(); xen_pmu_init(0);